/*
 * Copyright (c) 2020 - present, Inspur Genersoft Co., Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

package com.inspur.edp.metadata.rtcustomization.common;

import com.inspur.edp.metadata.rtcustomization.api.entity.config.CustomizationConfiguration;
import com.inspur.edp.metadata.rtcustomization.api.exception.LcmConfigResolveException;
import com.inspur.edp.metadata.rtcustomization.api.exception.ErrorCodes;
import com.inspur.edp.metadata.rtcustomization.spi.IMetadataRtReferenceManager;

public class ReferenceHelper extends CustomizationConfigLoader{
	private static ReferenceHelper singleton = null;

	public ReferenceHelper(){}

	public static ReferenceHelper getInstance(){
		if (singleton == null){
			singleton = new ReferenceHelper();
		}
		return singleton;
	}


	public IMetadataRtReferenceManager getManager(String typeName)  {
		IMetadataRtReferenceManager manager = null;
		CustomizationConfiguration data = getCustomizationConfigurationData(typeName);
		if (data != null && data.getReference() != null){
			Class<?> cls = null;
			try {
				cls = Class.forName(data.getReference().getName());
				manager = (IMetadataRtReferenceManager)cls.newInstance();
			} catch (InstantiationException | IllegalAccessException | ClassNotFoundException e) {
				throw new LcmConfigResolveException(e, ErrorCodes.ECP_CONFIG_RESOLVE_0001, typeName);
			}
		}
		return manager;
	}
}
